Debt - Schedule of Carrying Values and Fair Values of Term Facility (Details) - USD ($)
$ in Thousands |
Dec. 31, 2017 |
Dec. 31, 2016 |
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Debt financing fees |
$ (1,789)
|
$ (1,408)
|
| Total |
77,211
|
83,592
|
| Carrying Amount | Level 2 |
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Long-term debt |
79,000
|
85,000
|
| Carrying Amount | Short-term debt | Level 2 |
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Long-term debt |
4,000
|
15,750
|
| Carrying Amount | Long-term debt | Level 2 |
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Long-term debt |
75,000
|
69,250
|
| Fair Value | Level 2 |
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Long-term debt |
79,000
|
85,000
|
| Fair Value | Short-term debt | Level 2 |
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Long-term debt |
4,000
|
15,750
|
| Fair Value | Long-term debt | Level 2 |
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Long-term debt |
$ 75,000
|
$ 69,250
|